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Use async methods

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This commit is contained in:
Bond-009
2020-01-21 17:59:41 +01:00
parent 2610f377c0
commit ac3b958c67
8 changed files with 68 additions and 75 deletions
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94
Emby.Dlna/Service/BaseControlHandler.cs
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@@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml;
using Emby.Dlna.Didl;
using MediaBrowser.Controller.Configuration;
@@ -15,44 +16,34 @@ namespace Emby.Dlna.Service
{
private const string NS_SOAPENV = "http://schemas.xmlsoap.org/soap/envelope/";
protected readonly IServerConfigurationManager Config;
protected readonly ILogger _logger;
protected IServerConfigurationManager Config { get; }
protected ILogger Logger { get; }
protected BaseControlHandler(IServerConfigurationManager config, ILogger logger)
{
Config = config;
_logger = logger;
Logger = logger;
}
public ControlResponse ProcessControlRequest(ControlRequest request)
public async Task<ControlResponse> ProcessControlRequestAsync(ControlRequest request)
{
try
{
var enableDebugLogging = Config.GetDlnaConfiguration().EnableDebugLog;
if (enableDebugLogging)
{
LogRequest(request);
}
var response = ProcessControlRequestInternal(request);
if (enableDebugLogging)
{
LogResponse(response);
}
LogRequest(request);
var response = await ProcessControlRequestInternalAsync(request).ConfigureAwait(false);
LogResponse(response);
return response;
}
catch (Exception ex)
{
_logger.LogError(ex, "Error processing control request");
Logger.LogError(ex, "Error processing control request");
return new ControlErrorHandler().GetResponse(ex);
return ControlErrorHandler.GetResponse(ex);
}
}
private ControlResponse ProcessControlRequestInternal(ControlRequest request)
private async Task<ControlResponse> ProcessControlRequestInternalAsync(ControlRequest request)
{
ControlRequestInfo requestInfo = null;
@@ -69,19 +60,18 @@ namespace Emby.Dlna.Service
using (var reader = XmlReader.Create(streamReader, readerSettings))
{
requestInfo = ParseRequest(reader);
requestInfo = await ParseRequestAsync(reader).ConfigureAwait(false);
}
}
_logger.LogDebug("Received control request {0}", requestInfo.LocalName);
Logger.LogDebug("Received control request {0}", requestInfo.LocalName);
var result = GetResult(requestInfo.LocalName, requestInfo.Headers);
var settings = new XmlWriterSettings
{
Encoding = Encoding.UTF8,
CloseOutput = false,
Async = true
CloseOutput = false
};
StringWriter builder = new StringWriterWithEncoding(Encoding.UTF8);
@@ -116,17 +106,15 @@ namespace Emby.Dlna.Service
IsSuccessful = true
};
//logger.LogDebug(xml);
controlResponse.Headers.Add("EXT", string.Empty);
return controlResponse;
}
private ControlRequestInfo ParseRequest(XmlReader reader)
private async Task<ControlRequestInfo> ParseRequestAsync(XmlReader reader)
{
reader.MoveToContent();
reader.Read();
await reader.MoveToContentAsync().ConfigureAwait(false);
await reader.ReadAsync().ConfigureAwait(false);
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
@@ -141,37 +129,38 @@ namespace Emby.Dlna.Service
{
using (var subReader = reader.ReadSubtree())
{
return ParseBodyTag(subReader);
return await ParseBodyTagAsync(subReader).ConfigureAwait(false);
}
}
else
{
reader.Read();
await reader.ReadAsync().ConfigureAwait(false);
}
break;
}
default:
{
reader.Skip();
await reader.SkipAsync().ConfigureAwait(false);
break;
}
}
}
else
{
reader.Read();
await reader.ReadAsync().ConfigureAwait(false);
}
}
return new ControlRequestInfo();
}
private ControlRequestInfo ParseBodyTag(XmlReader reader)
private async Task<ControlRequestInfo> ParseBodyTagAsync(XmlReader reader)
{
var result = new ControlRequestInfo();
reader.MoveToContent();
reader.Read();
await reader.MoveToContentAsync().ConfigureAwait(false);
await reader.ReadAsync().ConfigureAwait(false);
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
@@ -185,28 +174,28 @@ namespace Emby.Dlna.Service
{
using (var subReader = reader.ReadSubtree())
{
ParseFirstBodyChild(subReader, result.Headers);
await ParseFirstBodyChildAsync(subReader, result.Headers).ConfigureAwait(false);
return result;
}
}
else
{
reader.Read();
await reader.ReadAsync().ConfigureAwait(false);
}
}
else
{
reader.Read();
await reader.ReadAsync().ConfigureAwait(false);
}
}
return result;
}
private void ParseFirstBodyChild(XmlReader reader, IDictionary<string, string> headers)
private async Task ParseFirstBodyChildAsync(XmlReader reader, IDictionary<string, string> headers)
{
reader.MoveToContent();
reader.Read();
await reader.MoveToContentAsync().ConfigureAwait(false);
await reader.ReadAsync().ConfigureAwait(false);
// Loop through each element
while (!reader.EOF && reader.ReadState == ReadState.Interactive)
@@ -214,20 +203,20 @@ namespace Emby.Dlna.Service
if (reader.NodeType == XmlNodeType.Element)
{
// TODO: Should we be doing this here, or should it be handled earlier when decoding the request?
headers[reader.LocalName.RemoveDiacritics()] = reader.ReadElementContentAsString();
headers[reader.LocalName.RemoveDiacritics()] = await reader.ReadElementContentAsStringAsync().ConfigureAwait(false);
}
else
{
reader.Read();
await reader.ReadAsync().ConfigureAwait(false);
}
}
}
private class ControlRequestInfo
{
public string LocalName;
public string NamespaceURI;
public IDictionary<string, string> Headers = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
public string LocalName { get; set; }
public string NamespaceURI { get; set; }
public Dictionary<string, string> Headers { get; } = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
}
protected abstract IEnumerable<KeyValuePair<string, string>> GetResult(string methodName, IDictionary<string, string> methodParams);
@@ -239,10 +228,7 @@ namespace Emby.Dlna.Service
return;
}
var originalHeaders = request.Headers;
var headers = string.Join(", ", originalHeaders.Select(i => string.Format("{0}={1}", i.Key, i.Value)).ToArray());
_logger.LogDebug("Control request. Headers: {0}", headers);
Logger.LogDebug("Control request. Headers: {@Header}", request.Headers);
}
private void LogResponse(ControlResponse response)
@@ -252,11 +238,7 @@ namespace Emby.Dlna.Service
return;
}
var originalHeaders = response.Headers;
var headers = string.Join(", ", originalHeaders.Select(i => string.Format("{0}={1}", i.Key, i.Value)).ToArray());
//builder.Append(response.Xml);
_logger.LogDebug("Control response. Headers: {0}", headers);
Logger.LogDebug("Control response. Headers: {@Headers}\n{Xml}", response.Headers, response.Xml);
}
}
}